Detecting Monkeypox Virus by Immunohistochemistry.

Background: Mpox (formerly known as monkeypox), a zoonotic disease caused by Monkeypox virus (MPXV), has become an international outbreak since May 2022. Mpox often presents with a mild systemic illness and a characteristic vesiculopustular skin eruption. In addition to molecular testing, histopathology of cutaneous lesions usually shows distinctive findings, such as epidermal necrosis, balloon degeneration, papillary dermal edema, and focal dermal necrosis, which have proven helpful in the diagnosis of mpox.

Analysis of periodontal status in Polish patients with rheumatoid arthritis treated with biological therapies.

Introduction: Periodontitis, characterized by inflammation affecting the tooth-supporting tissues, may increase the risk of rheumatoid arthritis (RA) or cardiovascular diseases. The aim of the study was to evaluate the periodontal status in RA patients and its impact on the inflammatory markers and red cell parameters obtained from complete blood laboratory tests to study the risk of cardiovascular disease development.

Material And Methods: The cross-sectional study included 50 patients with RA treated with biological therapies: tumor necrosis factor inhibitors, interleukin-6 blockers.

A case of Mycoplasma pneumoniae-induced rash and mucositis with recent influenza vaccination.

A 33-year-old female presented with coryzal symptoms, facial swelling, severe haemorrhagic stomatitis, blistering oral mucositis, conjunctival injection and a sparse targetoid rash on the back and face, requiring admission to hospital. She had received the seasonal influenza vaccination 3 days prior to feeling unwell. Differential diagnosis included erythema multiforme major (EMM) secondary to the influenza vaccine or Mycoplasma pneumoniae-induced rash and mucositis (MIRM).

Multinucleated tumor cells and micropapillary morphology appear to be predictors of poor prognosis in renal cell carcinoma with papillary and oncocytic features.

Renal cell carcinoma with papillary and oncocytic features (RCC-PO) are poorly understood, partially due to conflicting results in multiple studies. The histological features that predict behavior of RCC-PO have not been elucidated. The aim is to review clinicopathologic features and to correlate clinical outcomes of patients with RCC-PO to further expand our knowledge on these heterogeneous tumors.

Update of the risk assessment of brominated phenols and their derivatives in food.

The European Commission asked EFSA to update its 2012 risk assessment on brominated phenols and their derivatives in food, focusing on five bromophenols and one derivative: 2,4,6-tribromophenol (), 2,4-dibromophenol (), 4-bromophenol (), 2,6-dibromophenol (), tetrabrominated bisphenol S (), tetrabromobisphenol S bismethyl ether (). Based on the overall evidence, the CONTAM Panel considered in vivo genotoxicity of to be unlikely. Effects in liver and kidney were considered as the critical effects of 2,4,6-tribromophenol () in studies in rats.

Investigating hematuria among young Indian adults using MDCT urography.

Hematuria may suggest bladder cancer, renal cell carcinoma, UUT-UCC, or urinary tract stones. Therefore, it is of interest to use Multi-Detector Computed Tomography (MDCT) to determine the cause of hematuria in children and connect MDCT results with cystoscopic and histological findings. The study included 110 young people under 40 with microscopic or macroscopic hematuria.

Secretory Carcinoma of the Thyroid: A Case Report and Update of Literature.

Primary secretory carcinoma (SC) of the thyroid gland is a rare neoplasm, characterized by the presence of oncogenic ETV6::NTRK3 fusions, which are amenable to tropomyosin receptor kinase (TRK) inhibitor therapy. Despite its morphologic, immunophenotypic, and genetic similarities to SC of the salivary and mammary glands, diagnostic pitfalls may arise in differentiating from papillary thyroid carcinoma due to overlapping features such as papillary growth, nuclear irregularity, and variable expression of PAX8. Tumor misclassification may lead to delayed consideration of molecular testing and targeted therapy.

Evaluation of CTLA-4 and PD-L1 Expression in Thyroid Carcinoma and Its Prognostic Significance.

Introduction Immune checkpoint inhibitors (ICIs) targeting cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) and programmed death-ligand 1 (PD-L1) have revolutionised treatment and improved outcomes in various malignancies. We aimed to evaluate CTLA-4 and PD-L1 immunoexpression in thyroid tumours and correlated them with clinicopathological parameters. Methods The study included 90 cases of thyroid malignancies comprising papillary thyroid carcinoma (PTC) (n = 64, 54.

TERT mutations and aggressive histopathologic characteristics of radioiodine-refractory papillary thyroid cancer.

Background: Radioiodine (RI) ablation following thyroid-stimulating hormone suppression is an effective treatment for papillary thyroid cancer (PTC), typically leading to favorable outcomes. However, RI-refractory tumors exhibit aggressive behavior and poor prognoses. Recent studies highlight the role of genetic abnormalities in PTC signaling pathways, including the activation of telomerase reverse transcriptase (TERT), and the correlation of mutations with adverse outcomes.

[TFE3-rearranged perivascular epithelioid cell tumors: a clinicopathological analysis of eight cases].

To investigate the clinicopathological, immunohistochemical and molecular genetic characteristics of TFE3-rearranged perivascular epithelioid cell tumor (PEComa). Eight cases of PEComa with TFE3 rearrangement diagnosed in the First Affiliated Hospital of Air Force Medical University from January 2014 to July 2022 were collected. Three were consultation cases and 5 were collected from our hospital; 7 cases were resection specimens and 1 case was a needle biopsy specimen.

[Clinicopathological features of BAP1 mutated clear cell renal cell carcinoma].

To investigate the clinicopathological characteristics, immunophenotypes, molecular features, and differential diagnosis of BAP1 mutated clear cell renal cell carcinoma (CCRCC) for better understanding this entity. Clinical data, histological morphology, immunophenotypes and molecular characteristics of 18 BAP1 mutated CCRCC cases diagnosed at the Department of Pathology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China from January 2020 to December 2022 were analyzed. The patients were followed up.

Thermal Ablation for Benign Thyroid Nodules and Papillary Thyroid Microcarcinoma.

Ultrasound-guided minimally invasive thermoablative (MIT) therapies are a therapeutic option for selected patients with large, hypoenhancing, benign thyroid nodules that cause compression disorders or aesthetic discomfort. MIT, which does not require general anaesthesia, causes thermal necrosis of the treated nodule, which is reduced in size by 50 % without functional consequences, and is indicated for patients who are not too young or in the presence of anaesthesia-related risk factors or recurrence following thyroidectomy or refusal of surgery. For the above indications, MIT complements surgery but does not replace it; it must always be performed in centres and by surgeons with proven technical skills and clinical experience.

Pulmonary Adenocarcinoma with Cutaneous Metastasis in a Dog.

Primary lung cancer is rare in dogs and depending on the tumour stage and subtype, the prognosis can be poor. In this report, we describe a 10 year-old female intact Yorkshire terrier that presented progressive weight loss and chronic pain of unknown origin. Due to the poor condition of the dog, it was subsequently euthanized.

Bile Acids in Pancreatic Carcinogenesis.

Pancreatic cancer (PC) is a dangerous digestive tract tumor that is becoming increasingly common and fatal. The most common form of PC is pancreatic ductal adenocarcinoma (PDAC). Bile acids (BAs) are closely linked to the growth and progression of PC.

Neoadjuvant treatment with lenvatinib and pembrolizumab in a V600E-mutated anaplastic thyroid cancer: a case report.

Background: Tyrosine kinase inhibitors (TKIs) and immunotherapy have been proposed for advanced metastatic anaplastic thyroid cancer (ATC). We report a case of V600E-mutated ATC in which lenvatinib (L) plus pembrolizumab (P) enabled neoadjuvant treatment.

Case Presentation: A male patient aged 65 years presented with a rapidly enlarging left latero-cervical mass.

Evaluation of immunophenotype and inflammation in canine mammary neoplasms with solid arrangement.

Morphological and immunohistochemical studies of solid arrangement canine mammary carcinomas have shown that the different histological types may be characterized by proliferation of epithelial and/or myoepithelial cells. However, little is known about immunophenotypes and the importance of inflammation as prognostic factors in these neoplasms. The objective of the present study was to characterize the immunophenotype and degree of inflammation in the solid type of canine mammary neoplasm and to investigate their association with metastasis, Ki-67 index, tumour size, necrosis and survival.

Clinical efficacy of laparoscopic cholecystectomy combined with endoscopic papillary balloon dilation in treatment of gallbladder stones with common bile duct stones: A retrospective study.

Background: The incidence of cholelithiasis has been on the rise in recent years, but the choice of procedure is controversial.

Aim: To investigate the efficacy of laparoscopic cholecystectomy (LC) combined with endoscopic papillary balloon dilation (EPBD) in patients with gallbladder stones (GS) with common bile duct stones (CBDS).

Methods: The clinical data of 102 patients with GS combined with CBDS were selected for retrospective analysis and divided into either an LC + EPBD group ( = 50) or an LC + endoscopic sphincterotomy (EST) group ( = 52) according to surgical methods.

The Role of Radiofrequency Ablation in Benign and Malignant Thyroid Nodules.

Radiofrequency ablation (RFA) offers a minimally invasive solution for benign, autonomously functioning (AFTN), and malignant thyroid nodules. The technique utilizes high-frequency alternating current to induce coagulative necrosis, effectively destroying target tissue. RFA is performed in the outpatient setting with local anesthesia and sonographic guidance.